This lesson aligns with the Common Core State Standards (CCSS):
"STANDARD 7 - The Earth
The teacher understands the dynamic nature of the Earth and recognizes that its features and structures result from natural processes. Knowledge Indicators - The competent science teacher:
7A. understands the structure and composition of the Earth's land, water and atmospheric systems.
7C. understands the scope of geologic time and the continuing physical changes of the Earth through time.
7E. analyzes and explains large scale dynamic forces, events, and processes that affect the Earth's land, water and atmospheric systems."
Second PowerPoint lesson in the unit on "Plate Tectonics." This lesson explores the evidence for seafloor spreading and continental drift.
A class activity (suggested) is included at the end of each Earth/Space lesson. A separate student note guide (worksheet) is available for each lesson as well.
PowerPoint lessons contain many graphics and two links to short videos to further student understanding. A 20-question interactive quiz/review at kahoot.it is also included as a link in the last slide.
Individual slide notes for teachers are also included that helps clarify the subject(s) and are based off students most FAQ's.
* All PowerPoint lessons; ActivInspire programs; student note sheets/activities and assessments for this unit can be found under the "Earth/Space Complete Unit VIII Plate Tectonics" zip file folder.
Terms/concepts in this lesson include:
ocean floor mapping
ocean floor features (mountains, canyons, ridges)
absolute ages of rock
ocean floor drilling
Earth's magnetic field
magnetic field reversals
continental drift theory
Earth/Space Lesson II PowerPoint "Seafloor Spreading"
is licensed under a Creative Commons Attribution 3.0 Unported License